MCQ’s Emerging Technologies for Engineering-06

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MCQ’s Emerging Technologies for Engineering

PART-6
Q:1. Who was the first inventor of Stereolithography technology of 3D printing?
1.Hideo Kodama
2.Chuck Hull
3.Scott Crump
4.Dennis Boom
Chuck Hull (Charles W. Hull; born May 12, 1939) is the co-founder, executive vice president and chief technology officer of 3D Systems.

Q:2. CAD stands for
1.Computer Aided Design
2.Computer Aided Drafting
3.Computer Aided Documentation
4.None
Computer-aided design (CAD) is the use of computers (or workstations) to aid in the creation, modification, analysis, or optimization of a design.

Q:3. CNC Machining is a type of
1.Additive manufacturing
2.Destructive Manufacturing
3.Both
4.None
The term CNC stands for ‘computer numerical control’, and the CNC machining definition is that it is a subtractive manufacturing process.

Q:4. Which process is eliminated in 3D printing process?
1.Logistics
2.Warehouse
3.None
4.Both
Logistics and Warehouse eliminated in 3D printing process.

Q:5. Which is not a type of 3D Printing Technology?
1.FDM
2.SLS
3.SLA
4.Casting
Casting is not a type of 3D printing Technology.

Q:6. Material used in FDM Technology?
1.Chocolate
2.PLA
3.ABS
4.All of the above
The most commonly used thermoplastics in FDM are polycarbonate (PC), acrylonitrile butadiene styrene (ABS), polylactide (PLA).

Q:7. Raw material used in SLA 3D Printing technology?
1.TPU
2.PLA
3.Thermoplastic polymer
4.Thermoset Resin
When SLA resins are exposed to certain wavelengths of light, short molecular chains join together, polymerizing.

Q:8. Raw material used in SLS 3D Printing technology?
1.ABS
2.NYLON
3.Both
4.None
The most widely used SLS material is Polyamide 12 (PA 12), also known as Nylon.

Q:9. 3D Printing process gives higher surface finish?
1.FDM
2.DLP
3.Both
4.None
FDM and DLP both gives higher surface finish.

Q:10. PLA is
1.Made of corn and starch
2.Biodegradable material
3.None
4.Both
PLA consists of renewable raw materials and is biodegradable in industrial composting plants.

Q:11. Organic Shape in Design are?
1.Tauras
2.Cuboid
3.Both
4.None
Taurus logo designed just Organic Shape in Design.

Q:12. which type of file can you export in 3DC.io app?
1.STL File
2.DXF File
3.STEP File
4.PARASOLID file
Export STL files from your CAD software export in 3DC.io app.

Q:13. What type of technology is 3D printing?
1.1D
2.2D
3.2.5D
4.3D
3D technology is used in 3D printing.

Q:14. What is the first thing you should consider when making something in 3d?
1.a. Quality
2.b. Functionality
3.c. Size
4.d. Material
Functionality is the first thing you should consider when making something in 3d.

Q:15. What does 3d mean?
1.Movies
2.3 dimensions
3.Stereoscopic computer
4.Graphics
3 dimensions.

Q:16. What menu do I go to merge objects together?
1.a. Group
2.b. Combine
3.c. Translate
4.d. Scale
need to start with page 2 to get it to print facing … Using Draw, you can combine.

Q:17. Could you do 3d modeling on both a mac and windows computer?
1.a. Yes
2.b. No
Yes, we do 3D modeling on both a mac and windows computer.

Q:18. What makes 3d printing superior to other crafting techniques?
1.efficiency
2.speed
3.Quality
4.Customization
Customization is makes 3d printing superior to other crafting techniques.

Q:19. What is it called when I need to move an object in 3d?
1.Move
2.Push
3.Translate
4.Grab
Move command is it called when I need to move an object in 3D.

Q:20. Which axis determines if the object is 3d?
1.z- axis
2.x- axis
3.x- axis
4.Origin
The third coordinate is often called z. The z-axis is perpendicular to both the xaxis and the y-axis.

Q:21. Is 3D modeling only used for 3D printing?
1.Yes
2.No
basic principles of 3D modeling across all design verticals remain the same, there are a few aspects of designing that need to be considered while modeling for 3D printing.